package com.qilin.hscs.service.impl;

import com.alibaba.fastjson.JSON;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.IAcsClient;
import com.aliyuncs.dysmsapi.model.v20170525.SendSmsRequest;
import com.aliyuncs.dysmsapi.model.v20170525.SendSmsResponse;
import com.aliyuncs.exceptions.ClientException;
import com.aliyuncs.http.MethodType;
import com.aliyuncs.profile.DefaultProfile;
import com.aliyuncs.profile.IClientProfile;
import com.qilin.hscs.config.AliyunSMS;
import com.qilin.hscs.enums.ResultEnum;
import com.qilin.hscs.exception.SMException;
import com.qilin.hscs.service.SMSService;
import com.qilin.hscs.util.ResultVOUntil;
import com.qilin.hscs.util.SMSCodeUtil;
import com.qilin.hscs.vo.ResultVO;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;

import javax.xml.transform.Result;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.TimeUnit;

/**
 * Created by 10188 on 2018/5/3.
 */
@Service
public class SMSServiceImpl implements SMSService {

    //短信API产品名称（短信产品名固定，无需修改）
    private static final String product = "Dysmsapi";
    //短信API产品域名（接口地址固定，无需修改）
    private static final String domain = "dysmsapi.aliyuncs.com";

    //存入redis中的短信验证码的后缀  用来表示这是一个短信验证码
    private static final String smsCodeName = "smsCode";
    @Autowired
    private AliyunSMS sms;

    @Autowired
    private RedisTemplate redisTemplate;

    private static final Logger logger= LogManager.getLogger(SMSServiceImpl.class.getName());

    @Override
    public ResultVO send(String phone) throws ClientException {
        //设置超时时间-可自行调整
        System.setProperty("sun.net.client.defaultConnectTimeout", "10000");
        System.setProperty("sun.net.client.defaultReadTimeout", "10000");

        //初始化ascClient,暂时不支持多region（请勿修改）
        IClientProfile profile = DefaultProfile.getProfile("cn-hangzhou", sms.getAccessId(),
                sms.getAccessSecret());
        DefaultProfile.addEndpoint("cn-hangzhou", "cn-hangzhou", product, domain);
        IAcsClient acsClient = new DefaultAcsClient(profile);
        //组装请求对象
        SendSmsRequest request = new SendSmsRequest();
        //使用post提交
        request.setMethod(MethodType.POST);
        //必填:待发送手机号。支持以逗号分隔的形式进行批量调用，批量上限为1000个手机号码,批量调用相对于单条调用及时性稍有延迟,验证码类型的短信推荐使用单条调用的方式；发送国际/港澳台消息时，接收号码格式为00+国际区号+号码，如“0085200000000”
        request.setPhoneNumbers(phone);
        //必填:短信签名-可在短信控制台中找到
        request.setSignName(sms.getSignName());
        //必填:短信模板-可在短信控制台中找到
        request.setTemplateCode(sms.getTemplateCode());
        //可选:模板中的变量替换JSON串,如模板内容为"亲爱的${name},您的验证码为${code}"时,此处的值为
        //友情提示:如果JSON中需要带换行符,请参照标准的JSON协议对换行符的要求,比如短信内容中包含\r\n的情况在JSON中需要表示成\\r\\n,否则会导致JSON在服务端解析失败
        Map<String, Object> template = new HashMap<>();
        String code= SMSCodeUtil.getCode();
        template.put("name", "hxj");
        template.put("code", code);
        //request.setTemplateParam("{\"name\":\"Tom\", \"code\":\"123\"}");
        request.setTemplateParam(JSON.toJSONString(template));
        //可选-上行短信扩展码(扩展码字段控制在7位或以下，无特殊需求用户请忽略此字段)
        //request.setSmsUpExtendCode("90997");
        //可选:outId为提供给业务方扩展字段,最终在短信回执消息中将此值带回给调用者
        //request.setOutId("yourOutId");
        //请求失败这里会抛ClientException异常
        SendSmsResponse sendSmsResponse = acsClient.getAcsResponse(request);
        if(sendSmsResponse.getCode() != null && sendSmsResponse.getCode().equals("OK")) {
            redisTemplate.opsForValue().set(phone+smsCodeName,code);
            //验证码时效为3分钟
            redisTemplate.expire(phone + smsCodeName, 3, TimeUnit.MINUTES);
            return ResultVOUntil.success();
        }else {
            logger.error("短信发送失败，失败原因为={}",sendSmsResponse.getMessage());
            throw new SMException(ResultEnum.SMS_ERROR);
        }
    }

    @Override
    public ResultVO verify(String phone, String code) {

        //通过手机号和预定义好的smsCodeName去redis中获取code
        String validCode = (String) redisTemplate.opsForValue().get(phone + smsCodeName);

        //验证码为空
        if (validCode == null) {
            throw new SMException(ResultEnum.VALIDATIONCODE_TIMEOUT);
        }
        //验证码不合法
        if (!validCode.equals(code)) {
            throw new SMException(ResultEnum.VALIDATIONCODE_ERROR);
        }
        //验证通过以后 删除redis里存着的验证码
        redisTemplate.delete(phone + smsCodeName);
        return ResultVOUntil.success();
    }
}
